2017 Niner Bikes ROS 9 Plus Rigid Rigid Fork

	SM	MD	LG	XL
Stack	598mm	607mm	621mm	621mm
Reach	404mm	418mm	434mm	453mm
Stack to Reach Ratio	1.48:1	1.45:1	1.43:1	1.37:1
Seat Tube Length, C-T	378mm	411mm	467mm	530mm
Top Tube Length, Effective/Horizontal HT Top	578mm	595mm	614mm	633mm
Top Tube Slope	24.8deg	21.8deg	17deg	10.6deg
Head Tube Angle	69deg	69deg	69deg	69deg
Seat Tube Angle	74deg	74deg	74deg	74deg
Head Tube Length	100mm	110mm	125mm	125mm
Bottom Bracket Drop	71mm	71mm	71mm	71mm
Bottom Bracket Height	316.2mm	316.2mm	316.2mm	316.2mm
Chainstay Length	445mm	445mm	445mm	445mm
Chainstay Length Horizontal	439.3mm	439.3mm	439.3mm	439.3mm
Front-Center	659mm	676mm	697mm	716mm
Front-Center Horizontal	654.7mm	672.7mm	692.7mm	711.7mm
Wheelbase	1094mm	1112mm	1132mm	1151mm
Fork Offset/Rake	45.2mm	45.7mm	44.4mm	44.4mm
Trail	100.2mm very high	99.7mm very high	101.1mm very high	101.1mm very high
Mechanical Trail	93.6mm	93.1mm	94.3mm	94.3mm
Wheel Flop	33.5mm	33.4mm	33.8mm	33.8mm
Standover Height	684mm	711mm	756mm	803mm
Tire to Pedal Spindle	101.8mm 170 mm cranks	118.8mm 170 mm cranks	139.8mm 170 mm cranks	158.8mm 170 mm cranks
Pedal Spindle to Ground Clearance	146.2mm 170 mm cranks	146.2mm 170 mm cranks	146.2mm 170 mm cranks	146.2mm 170 mm cranks

Very Upright

Somewhat Upright

Average

Somewhat Aggressive

Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

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Source:http://www.ninerbikes.com/ros9plus

Geometry